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Electrical System
Maintenance
Servicing the Interlock Switch
Use the following procedure if the switch needs
adjustment or replacement.
1. Make sure the engine is off and the traction lever
is disengaged and resting against the neutral stop
(Figure 28).
Figure 28
1. Traction lever
2. Neutral stop
2. Loosen the interlock switch mounting fasteners
(Figure 28).
3. Place a .032" thick shim between the traction lever
and the interlock switch (Figure 28 ).
4. Tighten interlock switch mounting fasteners.
Recheck gap. The traction lever must not contact
the switch.
5. Engage traction lever and verify that the switch loses
continuity. Replace if required.
3. Interlock switch
4. .032" Gap
Brake Maintenance
Adjusting the Service/Parking
Brake
If service/parking brake slips when operated, an
adjustment is required.
1. Engage the service brake, push in on the parking
brake knob and allow the service brake to rest on the
parking brake pin (Figure 29).
2. Using a spring scale, press rearward on the service
brake lever (Figure 30). The parking brake should
release when a force of 30 to 40 pounds is attained.
If the parking brake releases before 30 to 40 pounds
of force is attained, an adjustment to the brake cable
is required. Proceed to step 3.
25
Figure 29
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